package com.biodiv.community.utils;

import lombok.Getter;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

/**
 * Spring Context 工具类
 *
 * @author tianquan
 */
@Component
public class SpringUtils implements ApplicationContextAware {
    public static ApplicationContext applicationContext;
    public static Environment env;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        SpringUtils.applicationContext = applicationContext;
        env = applicationContext.getEnvironment();
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) {
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(Class<T> requiredType) {
        return applicationContext.getBean(requiredType);
    }

    public static <T> T getBean(String name, Class<T> requiredType) {
        return applicationContext.getBean(name, requiredType);
    }

    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name) {
        return applicationContext.isSingleton(name);
    }

    public static Class<? extends Object> getType(String name) {
        return applicationContext.getType(name);
    }

    public static <T> T getProperty(String propertyName, Class<T> classType) {
        return env.getProperty(propertyName, classType);
    }

}
